IAHR, founded in 1935, is a worldwide independent member-based organisation of engineers and water specialists working in fields related to the hydro-environmental sciences and their practical application. Activities range from river and maritime hydraulics to water resources development and eco-hydraulics, through to ice engineering, hydroinformatics, and hydraulic machinery.
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You are here : eLibrary : IAHR World Congress Proceedings : 36th Congress - The Hague (2015) FULL PAPERS : THEME 4- WATER ENGINEERING : SECOND-ORDER HYDRODYNAMIC EQUATIONS FOR FLOWS OVER MOBILE BOUNDARIES AND THEIR APPLICATIONS FOR SOLV...
SECOND-ORDER HYDRODYNAMIC EQUATIONS FOR FLOWS OVER MOBILE BOUNDARIES AND THEIR APPLICATIONS FOR SOLVING ENVIRONMENTAL PROBLEMS
Author : KONSTANTINOS PAPADOPOULOS , VLADIMIR NIKORA , STUART CAMERON , MARK STEWART , HAMISH BIGGS & CHRISTOPHER GIBBINS
This paper presents the derivation of the double-averaged hydrodynamic equations of the second order that are applicable for flows over mobile boundaries. The double averaging operation, employed in the derivation, involves time and volume averaging, performed in that sequence. Equations that describe the balance of the turbulent and form- induced stresses are derived, complementing the existing double-averaged equations of mass and momentum conservation. Potential applications may include physical interpretations and numerical modelling of vegetated-bed flows, gravel-bed flows, or fish-school-induced flows. The proposed equations can also serve as a basis for simulations of flows within and around wind or tidal turbine arrays. Preliminary suggestions for closure strategies for numerical studies of such cases are also discussed.
File Size : 405,344 bytes
File Type : Adobe Acrobat Document
Chapter : IAHR World Congress Proceedings
Category : 36th Congress - The Hague (2015) FULL PAPERS
Article : THEME 4- WATER ENGINEERING
Date Published : 19/04/2016
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